| Family | Rubiaceae |
| Scientific name | Galium gracilens (A. Gray) Makino |
| Synonyms | Galium gracile Bunge; Galium miltorrhizum Hance; Galium trachyspermum A. Gray forma tenerrima Miquel; Galium trachyspermum A. Gray var. gracilens A. Gray |
| Common name | (Japanese common name) hime-yotsuba mugura (ヒメヨツバムグラ, 姫四葉葎 [meaning: dwarf four leaves weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan | |
| Habitat | Hillock forest edge, mountane roadside |
| Chromosomal number | unknown |
| Description | Plants 30-40cm tall. Leaves qurternate, each leaflet 6-12mm long, 1.5-2.5mm wide. Flowers pale yellow ca. 1mm across, flowering in May to June. Perennial plants. |
| May 2007 at mountane forest edge |
May 2007 at mountane forest edge |
May 2007 at mountane forest edge |
| May 2007 at mountane forest edge |